"Deformation of shale by porphyry, Burlington Railroad, east of Whitetail Gulch." -Walcott, 1901
"The two faults of larger throw, by which a single sheet of trap is represented in three ridges, are…
A section of the Paleozoic rocks found in the Mississppi basin illustrating the periods and ages.
"Cross section of Marsh Creek valley at McCammon, Idaho." -Lee, 1915
Trenton Falls, a geologist's playground, has been inspiring generations of scientists. Referred to as…